Add 'arrow_single' item style

bar.lua

@@ -9,7 +9,7 @@ local util       = require( "awful.util"                   )
 local fkey       = require( "radical.widgets.fkey"         )
 local button     = require( "awful.button"                 )
 local checkbox   = require( "radical.widgets.checkbox"     )
-local item_style = require( "radical.item_style.arrow_prefix" )
+local item_style = require( "radical.item_style.arrow_single" )
 local vertical   = require( "radical.layout.vertical"      )
 
 local capi,module = { mouse = mouse , screen = screen, keygrabber = keygrabber },{}

item_style/arrow_single.lua

@@ -0,0 +1,49 @@
+local setmetatable = setmetatable
+local base      = require( "radical.base"               )
+local beautiful = require("beautiful"                   )
+local color     = require("gears.color"                 )
+local cairo     = require("lgi"                         ).cairo
+local wibox     = require("wibox"                       )
+local arrow_alt = require("radical.item_style.arrow_alt")
+
+local module = {
+  margins = {
+    TOP    = 0,
+    BOTTOM = 0,
+    RIGHT  = 50,
+    LEFT   = 50
+  }
+}
+
+
+local function suffix_draw(self, w, cr, width, height)
+  cr:save()
+  cr:move_to(height/2,0)
+  cr:line_to(width-height/2,0)
+  cr:line_to(width,height/2)
+  cr:line_to(width-height/2,height)
+  cr:line_to(height/2,height)
+  cr:line_to(0,height/2)
+  cr:line_to(height/2,0)
+  cr:close_path()
+  cr:clip()
+  wibox.widget.background.draw(self, w, cr, width, height)
+  cr:restore()
+end
+
+
+local function draw(data,item,args)
+  local args,flags = args or {},{}
+  for _,v in pairs(args) do flags[v] = true end
+
+  item.widget.draw = suffix_draw
+
+  if flags[base.item_flags.SELECTED] or (item._tmp_menu) then
+    item.widget:set_bg(args.color or data.bg_focus)
+  else
+    item.widget:set_bg(args.color or nil)
+  end
+end
+
+return setmetatable(module, { __call = function(_, ...) return draw(...) end })
+-- kate: space-indent on; indent-width 2; replace-tabs on;

item_style/init.lua

@@ -4,4 +4,5 @@ return {
     rounded      = require("radical.item_style.rounded"      ),
     arrow_alt    = require("radical.item_style.arrow_alt"    ),
     arrow_prefix = require("radical.item_style.arrow_prefix" ),
+    arrow_single = require("radical.item_style.arrow_single" ),
 }